Re-license under a more permissive license

Details

Description

There has been some interest in Teiid re-licensing with a more permissive license, such as the ASL or MIT license. Beyond the obvious work of altering headers and license files, we need permission from the original copyright/copyleft holders to approve the change.

We'd likely want to use the ASL, but if there are any concerns about GPL compatibility we'll consider the MIT license.